Home / 113,327.40-170,016.70-66,556.20

Finding the Fourth Proportional to 113,327.40, 170,016.70 and 66,556.20

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Solution

The fourth proportional to 113,327.40, 170,016.70 and 66,556.20 is: 99,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,327.40 : 170,016.70 = 66,556.20 : x
  2. Step 2: Convert to fraction form
    113,327.40/170,016.70 = 66,556.20/x
  3. Step 3: Cross multiply
    113,327.40x = 170,016.70 × 66,556.20
  4. Step 4: Simplify right side
    113,327.40x = 11,315,665,488.54
  5. Step 5: Solve for x
    x = 11,315,665,488.54/113,327.40
  6. Step 6: Final answer
    x = 99,849.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.